Type ERV-R for water, drinking water (approval DVGW W 270 as well as ACS), cold and warm waste water, sea water, cooling water, also with chemical additives for water treatment, low concentrated acids and alkalis, salt solutions, technical alcohols, esters and ketones.
Temperature range -40°C up to +100°C.
Type ERV-CR
for cold and warm water, swimming pool water, sea water, waste water (weakly sour or alkaline) also oilc ontaining, cooling water with protective oils against corrosion, lubricating oil, grease and air, compressed air.
Temperature -25°C up to +90°C.